import java.math.BigDecimal;
import java.util.Scanner;

public class demo02 {
    //快到碗里来
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        while (sc.hasNext()) {
            BigDecimal n=sc.nextBigDecimal();
            BigDecimal r=sc.nextBigDecimal();
            BigDecimal len=new BigDecimal("6.28").multiply(r);
            System.out.println(n.compareTo(len)==1?"No":"Yes");
        }
    }
}
